Number of solder shafts Model 3. that weld spots are consistent, the production efficiency is high, and the adjustment is convenient. 2. Solder temperature, tin discharge length, corner angle, soldering time, etc. Can be adjusted. 1. Four-station tin soldering, automatic spot welding, automatic tin discharge and automatic pole change. Main Feature The height, front and back, left and right of the welding gun can be finely adjusted, and the tin can be delivered accurately to reduce the waste of tin dross.